120687165 has 48 divisors (see below), whose sum is σ = 229739328. Its totient is φ = 60569856.

The previous prime is 120687157. The next prime is 120687173. The reversal of 120687165 is 561786021.

It is an interprime number because it is at equal distance from previous prime (120687157) and next prime (120687173).

It is not a de Polignac number, because 120687165 - 2³ = 120687157 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17734 + ... + 23576.

It is an arithmetic number, because the mean of its divisors is an integer number (4786236).

Almost surely, 2^120687165 is an apocalyptic number.

120687165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120687165 is a deficient number, since it is larger than the sum of its proper divisors (109052163).

120687165 is an equidigital number, since it uses as much as digits as its factorization.

120687165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880 (or 5868 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 120687165 is about 10985.7710243751. The cubic root of 120687165 is about 494.1821204511.

The spelling of 120687165 in words is "one hundred twenty million, six hundred eighty-seven thousand, one hundred sixty-five".